Cv. GoodFeaturesToTrack Method (CvArr, CvArr, CvArr,CvPoint2D32f[] , Int32, Double, Double) OpenCvSharp Class Library
Determines strong corners on image

Namespace:  OpenCvSharp
Assembly:  OpenCvSharp (in OpenCvSharp.dll) Version: 1.0.0.0 (1.0.0.0)
Syntax

public static void GoodFeaturesToTrack(
	CvArr image,
	CvArr eigImage,
	CvArr tempImage,
	out CvPoint2D32f[] corners,
	ref int cornerCount,
	double qualityLevel,
	double minDistance
)

Parameters

image
Type: OpenCvSharp.CvArr
The source 8-bit or floating-point 32-bit, single-channel image.
eigImage
Type: OpenCvSharp.CvArr
Temporary floating-point 32-bit image of the same size as image.
tempImage
Type: OpenCvSharp.CvArr
Another temporary image of the same size and same format as eig_image.
corners
Type:OpenCvSharp.CvPoint2D32f[]
Output parameter. Detected corners.
cornerCount
Type: System.Int32
Output parameter. Number of detected corners.
qualityLevel
Type: System.Double
Multiplier for the maxmin eigenvalue; specifies minimal accepted quality of image corners.
minDistance
Type: System.Double
Limit, specifying minimum possible distance between returned corners; Euclidian distance is used.
See Also

Reference